Ham Radio Stuff

[Norm, VK3XCI]

Good afternoon,
I want to run a DOS/Windows based program under Ubuntu on an old laptop. It's 
called "Track",  a packet Radio program which outputs to a TNC via the serial 
port. It runs from a command line and as far as I can see has no entries in the 
Windows registry.

I have nil experience here, what are the options?
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73 de Norm, VK3XCI
Mildura, Australia
The Wintersun City
QF15bt.